PE barrel film packaging machine

The utility model relates to a PE barrel film packaging machine which comprises a machine frame, and a material roller, a plurality of auxiliary rollers, a lower sealing assembly, a film counting assembly, a film cutting assembly, a bag taking assembly and a bag opening assembly which are sequentially arranged on the machine frame in the advancing direction of a barrel film. The material roller isdriven by a first motor to synchronously move along with the barrel film, and the barrel film is wound on the material roller; the lower sealing assembly comprises a base table and a lower heat sealing knife which is arranged above the base table and used for sealing a barrel film passing through the base table. The film metering assembly comprises two film metering rubber rollers which are driven by a servo motor to rotate synchronously and oppositely, and the outer side walls of the two film metering rubber rollers are tangent, so that the length of the barrel film conveyed between the twofilm metering rubber rolle